linux-kernel - Re: relayfs question related to removing parent directory.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20130508203547.GX25399@ZenIV.linux.org.uk>
Date:	Wed, 8 May 2013 21:35:48 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Ben Greear <greearb@...delatech.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: relayfs question related to removing parent directory.

On Wed, May 08, 2013 at 01:32:06PM -0700, Ben Greear wrote:
> I'm seeing a crash when unloading the ath9k module.
> 
> It seems relay_close() is being passed bad memory.
> 
> The relay_open call uses an ath9k debugfs directory, so
> that may be removed before the call to relay_close()
> is called.
> 
> Does relayfs automatically close files when the parent
> directory is removed?

Why and how the hell would it possibly manage such a miracle?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/